dealii/dealii — pull request #244 by tamiko (2014-11-12 00:43:46+00:00)
Title: Allow default paths for opencascade detection

OPENCASCADE_DIR is just a hint and might be invalid.

(In FindTRILINOS.cmake the full path is known due to the inclusion of the
Trilinos project configuration. Thus, those options ensure that no wrong
library is accidentally picked up.)